Electric battery



HfF. FRENCH.,

ELECTRIC BATTERY.

APPLICATION FILED own. 1915.

Patented May 13 R. W W m HARRY-F. FHENCH BY ATTORNEY l user toput whichthe following is a rateduntil the ce STATES PATENT may 1. union, orrumour, onro, Assroiron, BY MESH! assrqmrmrrs, r0 narrommcmou comrm, me,A oonronarlon or mew roan.

mac-rare new.

'ip'eeiflcatin of Letters Patent.

I Patented May 13, 1919.

To all whom it may concern:

Beit known that I HARRY F. Frauen, a

citizen of the United states, residing at Fremont-in the county ofSandusky and State of Ohio, have invented a certain new and usefulImprovementin Electric Battenes, of

full, clear, and exact description. 4

M invention relates to electric cells in which the reactin elements arekept sepa- Electric cells of the type above referred to can becommercially successful only the degree to which they possess sim Bodyof manipulation in being rendere' active, promptness of electricalresponse to, such treatment, and capability ofroducing service which comares favora ly with that of equal size and These for action, no adandwhich can be readily made active without ,the use of any tools orotherinstruments.

It is the object of my invention to construct electric cells that fulfilthese requirements, and the details will be given in the annexedspecification, reference also being had to the drawings in which Figure.1 is a view of the cell in the storage condition. 7 v Fig. 2 is aperspec ive view of the cellin its working condition,

Fig. 3 is a p'artial'sectio on the line A--'A of Fig. 2..v

perspectlve view of cell with certain parts removed struction. I

Fig. 5 is an enlar of the upper end 0 for the zinc electrode. 0 Fig. 6is a perspective view of the zmc electrodes. 1

F1 7 is a erspective view ofone of the de ofarizing locks used in thecell.

The invention in its broadest aspectsconed cross sectional view sists inan arrangementwhereby-the zinc electrode can be Inserted in place by thethe cell into action. There are different ways in which this can bedone, but I' prefer to construct the cell with a bibulous or poroussheath in'the mix which extends up through the seal so that the zincelectrode s are to be put into action.

1 view taken the bibuloussheathing.

can .be readily inserted therein whenever desired.

The invention is not limited to any particular shape of cell, but by wayof example one of rectan ularcrom section has been shown on the rawing.

Referring to the drawin a plurality of carbon plates 1 are s ace apartand connected-by a thin con ucting strip 2 which maybe soldered orotherwise fastened there-f "to. I prefer to form aslightly rabbetedportion 3 'in the 11 per corner of the carbon plates which may eelectroplated to readily permit of soldering the strip 2 in osition.

The bi'bulous sheath above referr to consists of two strips 4 and 5 ofpulpboard or other suitable material which may be sewed or otherwisefastened together around three of the edges. Before the sheath stri sare sewed together the usual layer 5' o flour paste is added to one sideof each strip and after drying the strips are sewed together with thefiour.-'coating on the inside. Also,

the upper ends are coated withpara some other material 6 onthe inside aswell as onthe outside, or impregnated with the same, so that thephrotrudin ends will not soften or deplete e cello electrolyte by acapillary action. The coatings of flour and parafii'nare shown in Fi 5,thethickness of these be purposes of lustration..

' After the sheaths halvtzpeen made as just described they are insemidway between the carbon plates as shown partly in and the mix istamped in position a the same.

I find it most convenient to compress-the .mix .into blocks a of abouthalf the height of the cell mix when fully tamped and msert the lowertier as shown in Fig. 4,. on top of an 'insulatfi layer 7 of cardboard,pitch or other sui 1e material in the bottom of the container 10. I alsofind-it advanta cons to deliver a series of blows on each eolarizing'blockby means of a millet and a b ock of wood or othersuitable appa-j ratus, which thoroughly compresses the mix maohsition. rp M y en the lower layer of mix been and treate in a similar wa bein alltampedinthe 8 o cardboard, sand, etc., may be ad and the seal 9 pouredon top to substantially emixnow considerab y exaggerated for tampedinsition the upper la er is added" the usual la er d ed,"

desired, but in Fig. 6 I have shown the zlncs 11 and 12 with bent-overlugs 13 and 14"re spectively. The lug 14: carries a binding screwclamped in position by a nut 15 an a milled nut 16 threaded. thereon inposition to clamp the conducting wire that will be attached thereto whenthe cell is put into. use. For convenience the zinc 11 has a notch V 17in the lug 13 so that it can be readily joined to the zinc 12 and placedin position by the user.

The zincs while being stored for sale or for use, can be kept in anyway, but it is preferable to secure them to the outside of the cell sothat they will not be lost. convenient way to do this is to place zinc12 against the outside of the cell and with the lug 14 projectinginward. Zinc 11 can then be placed outside of the zinc 12 with the slot17 extending around the binding post 18, as shown in Fig. 1. The bindingnut can then be screwed down to clamp the zinc in position, and a cord19 tied around the cell to prevent sidewise displacement of both zincs.In this condition .the cell will leave the factory and be inactive untilthe 'zincs are inserted into position.

When the cell is to be put into action the user will remove them fromtheir attached position on the outside of the cell and will insert thembetween sheets- 4 and 5 of the bibulous sheath which projects up abovethe seal. A zinc plate should be partially in serted in each of thesheaths protruding from the seal, and the two secured together byloosening the nut 15 and springing the lug 17 beneath it where it willbe rigidly clamped in position by retightening the nut on the screw.-.The two 'zincs will then be pushed as far as they will go. into thesheaths and the cell is ready for action.

In some cases I will keep the sheets land 5 of the bibulous sheathseparated by a nonactive strip 4, such as a strip of paraffin paper.This will provide a cavity in the sheath to render the insertion of thezincs more convenient whenthe strip is pulled out.

While I have shown and described a dry cell having three carbonelectrodes and two zinc electrodes, it of course will be apparent thatthe invention'could be used with only one carbon and one zinc, or withany number of such electrodes.

In the improved form of cell just described, the electrolyte,depolarizer and othermix materials are thoroughly mixed and tamped inplace in the cell at the factory, so that after the insertion of thezincs "the cell conditions are substantially identical with those ofordinarvcells found on in the upper end thereof and a flat electrodesheath of bibulous material, open at one end and projecting through theseal'whereby the electrode can be inserted in the sheath when thebattery is to be made active.

2. In electric batteries, an electrode, a sheath therefor consisting oftwo strips of bibulousimaterial secured together at three of theiredges, and a layer of flour paste on the inside surfaces of both of saidsheets.

3. In electric batteries, an electrode sheath consisting of two .iripsof pulpboard scoured together at their sides, a coating of sealingmaterial on the inside surfaces near one of the ends of the sheath, anda coating of flour on the remaining part of said in side surfaces.

4. In electric batteries, an electrode sheath consisting I .f s :-B8tSof pulpboard sewedtogether on three of their edges, a coating of sealingmaterial on the inner and exterior surfaces of each sheet near one endthereof, and a coating of flour on the remaining portion of the insidesurfaces of the sheets.

5. In electric batteries, a container, an 10 0 electrolyte mixturetherein, a seal above said mixture, a bibulous sheath in said mix oneend extending to the exterior of the cell through said seal and anelectrode adapted to be inserted in said-sheath throughv the 106exterior end.

6. In electric batteries, a container, a negative electrode in thecontainer, a bibulous sheath spaced from said negative electrode, anelectrolyte and depolarizing mix 110 packed between thesheath and saidnegative electrode, a seal on top of said mix, one end of said sheathextending to the exterior of the'cell through said seal and a positive"electrode adapted to be inserted therein 1 through the exterior end.

7. In electric batteries, a container, a negative electrode therein, abibulous sheath spaced from said negative electrode, a-depolarizing mixpacked between the sheath and the negative electrode, a seal on top ofthe mix, said sheath extending above the adapted to be in each spacesheaths and said carbon electrodes, a bind-i polarizing mix packed inthe spaces between 15 projection.

said sheaths and said carbon electrodes, a binding strip, a zincelectrode ineach of said sheaths, overlapping projections on said zincelectrodes, and a binding post secured to between said electrodes, ade-.

post connected to said conducting said t i 10. In electric batteries, acontainer at seal in the upper end thereof, and ane ectrode sheath ofbibulous material open at one edge and projecting through the seal, saidsheathhaving a waterproof coating at the upper end.

f 11. In electric batteries, a container, a

seal in the upper end thereof, an electrode sheath of bibulousmaterialopen at oneedge and projecting through the seal, and a sheet of Waterroof material Within the sheath.

, In testlmony Whereof, I hereunto aflix my signature.

HARRY F. FRENCH.

